Audited Supplier
CuMg02 Copper Alloy Wire is a high-performance copper-magnesium alloy containing approximately 0.2% magnesium. It provides an excellent balance between mechanical strength and electrical conductivity, making it ideal for high-demand electrical and signal transmission applications. It is particularly valued for its enhanced fatigue resistance, thermal stability, and good corrosion resistance.
Key Features
High conductivity (≥85% IACS)
Good tensile strength with excellent flexibility
Superior fatigue and stress relaxation resistance
RoHS and REACH compliant
Excellent formability and solderability
Applications
Electrical connectors and contact pins
Signal transmission and communication cables
Automotive wiring systems
Consumer electronics and flexible conductors
High-vibration and high-temperature environments
Quality Assurance
Compliant with ASTM C18661 and customer specifications
Full in-house testing: conductivity, tensile strength, elongation
ISO 9001 certified production
RoHS & REACH certified environmental compliance
Packaging Options
Fine wire: plastic spools (DIN or custom)
Medium-to-large size: coils or wooden reels
Protective wrapping with anti-corrosion film
Custom labeling and packaging for OEM available
| Item | CuMg02 | CuMg04 | CuMg05 | CuMg07 |
| Magnesium Content | ~0.2% Mg | ~0.4% Mg | ~0.5% Mg | ~0.7% Mg |
| Standards | C18661 | - | C18665 | CW127C / C15500 |
| Wire Diameter | 0.05mm - 3.00mm | 0.05mm - 3.00mm | 0.05mm - 3.00mm | 0.10mm - 3.50mm |
| Tensile Strength | 360-440 MPa | 400-480 MPa | 450-520 MPa | 480-550 MPa |
| Conductivity | ≥ 85% IACS | ≥ 80% IACS | ≥ 75% IACS | ≥ 70% IACS |
| Hardness | 90-120 HV | 100-130 HV | 110-140 HV | 120-150 HV |
| Temper | Annealed / Hard | Annealed / Hard | Annealed / Hard | Annealed / Hard |
| Surface Finish | Bright / Tin-Coated | Bright / Tin-Coated | Bright / Tin-Coated | Bright / Tin-Coated |
| Corrosion Resistance | Good | Good | Excellent | Excellent |
| Applications | Signal Cables, Electronics | Connectors, Relays | Spring Contacts, Terminals | Automotive & Industrial Wiring |
| Packaging | Plastic Spool / Coil / Reel | Same as left | Same as left | Same as left |
Mosstee specializes in high-performance conductor materials, including silver-plated copper wire, nickel-plated copper wire, copper-clad aluminum, copper-clad steel, and aluminum alloy cables, widely used in power, telecommunications, automotive, and new energy industries.
1. Three Decades of Specialized Expertise
As a pure-play wire & cable manufacturer since 1990, we deliver precisely engineered solutions for industrial, energy, and infrastructure applications.
2. Certified Quality Assurance
All products meet UL, CE, and RoHS standards, with ISO 9001-certified manufacturing ensuring 99.97% defect-free delivery across 50+ countries.
3. Eco-Conscious Production
REACH-compliant materials reduce carbon footprint by 30% vs industry average, with 85% recyclable product designs.
Service Excellence
1. 24/7 Technical Support
Dedicated engineers on-call for urgent troubleshooting, with <3hr response time for critical infrastructure projects.
2. Customization from Blueprint to Delivery
• Prototype development in 10-14 days
• Minimum Order Quantity (MOQ) as low as 50 kgs
• OEM/ODM compliant with NEC, IEC & EN standards
3. Transparent Project Management
Assigned account managers provide weekly progress reports with:
- Test report
- Production line videos
- Customs clearance updates
4. Risk-Free Trial
Test samples in your application for 90 days - we cover return shipping if unsatisfied.
